According to disable Documentation/admin-guide/kernel-parameters.txt, this parameter can be used to disable kernel modesetting.
DRM drivers will not perform display-mode changes or accelerated rendering and only the systewm system framebuffer will be available if it was set-up.
But only a few DRM drivers currently check for nomodeset, make this driver to also support the command line parameter.
Signed-off-by: Javier Martinez Canillas javierm@redhat.com ---
drivers/gpu/drm/tegra/drm.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/tegra/drm.c b/drivers/gpu/drm/tegra/drm.c index 8d37d6b00562..48e35d686473 100644 --- a/drivers/gpu/drm/tegra/drm.c +++ b/drivers/gpu/drm/tegra/drm.c @@ -1382,6 +1382,9 @@ static int __init host1x_drm_init(void) { int err;
+ if (drm_firmware_drivers_only()) + return -ENODEV; + err = host1x_driver_register(&host1x_drm_driver); if (err < 0) return err;